Processor	80486SX/80487SX
Processor Speed	33MHz
Chip Set	Topcat
Video Chip Set	Unidentified
Maximum Onboard Memory	36MB (16MB on external memory card)
Maximum Video Memory	1MB
Cache	None
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	Floppy drive interfaces (2), SCSI/IDE interface, parallel port, PS/2 mouse port, serial port, riser slot, feature connector
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
Feature connector	CN1	Floppy drive interface 3	CN6
VGA port	CN2	PS/2 mouse port	CN7
Parallel port	CN3	SCSI/IDE interface	CN8
Serial port	CN4	Riser slot	SL1
Floppy drive interface 1/2	CN5

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Third floppy drive interface enabled	P1	Pins 1 & 2 closed
	Third floppy drive interface disabled	P1	Pins 2 & 3 closed
»	Password enabled	P2	Pins 2 & 3 closed
	Password disabled	P2	Pins 1 & 2 closed
»	Parallel port unidirectional	P3	Pins 1 & 2 closed
	Parallel port bidirectional	P3	Pins 2 & 3 closed
»	Interlaced video enabled	P4	Pins 2 & 3 closed
	Interlaced video disabled	P4	Pins 1 & 2 closed
»	Mainboard current control maximum current	P5	Pins 1 & 2 closed
	Mainboard current control minimum current	P5	Pins 2 & 3 closed
»	Hard drive wait state select 1 wait state	P7	Pins 1 & 2 closed
	Hard drive wait state select 0 wait states	P7	Pins 2 & 3 closed
»	On board battery enabled	P8	Pins 2 & 3 closed
	On board battery disabled	P8	Pins 1 & 2 closed
»	Parity check enabled	P9	Pins 1 & 2 closed
	Parity check disabled	P9	Pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
4MB	4MB	None	None
8MB	4MB	(4) 1M x 9	None
12MB	4MB	(4) 1M x 9	(4) 1M x 9
20MB	4MB	(4) 4M x 9	None
36MB	4MB	(4) 4M x 9	(4) 4M x 9
Note: Bank 0 is factory installed and is not configurable. Bank 2 is located on the memory card.

VIDEO MEMORY CONFIGURATION

Note: 1MB is factory installed and is not configurable.

CPU TYPE SELECTION
Type	P6
80486SX	Pins 2 & 3 closed
80487SX	Pins 1 & 2 closed